A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.
Classification: Gaskets,washers & other seals
NSN 6105-00-018-6996
NSN 6320-01-364-1840
NSN 6110-01-218-2160
NSN 5935-01-424-3332
NSN 5905-01-544-1612
NSN 5998-01-557-5375
NSN 6240-01-257-3155
NSN 5985-00-868-5229
NSN 6240-01-534-2987
NSN 6220-01-282-4122
NSN 5895-01-258-4824
NSN 6685-00-927-6280